Make sure to remember your password. If you forget it there is no way for StudyStack
to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password.
For details read our
Privacy Policy and
Terms of Service.

To flip the current card, click it or press the Spacebar key.
To move the current card to one of the three colored boxes, click on the box. You may also
press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to
move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.
You may also click on the card displayed in any of the three boxes to bring that card back to the
center.

7th U 3-1 Science

Organic Fuels

The molecule adenosine triphosphate, or ___, transports chemical energy within the cell.

ATP

Three types of large food molecules are __, __, and __.

Proteins, sugars, and fats

The process of breaking down food to produce energy rich ATP molecules is called ___.

Cellular respiration

Photosynthetic organisms such as ___ use the sun's light energy, carbon dioxide, and water to make energy-rich sugar molecules that the plant cells can use later.

Plants

Cellular respiration happens in the mitochondria of ___ cells and in the cytoplasm of prokaryotic cells.

Eukaryotic

___ molecules store energy in a form that body cells can use directly.

ATP

As ATP breaks down, it releases ___ in a form cells can use.

Energy

Large molecules store lots of chemical energy. Energy is released when these bonds are broken during ___.

Digestion

Cellular respiration happens in the mitochondria of eukaryotic cells and in the cytoplasm of ___ cells.

Prokaryotic

___ happens in the mitochondria of eukaryotic cells and in the cytoplasm of prokaryotic cells.

Cellular respiration

___ are large organic molecules that determine the genetic traits of organisms.

Nucleic acids

Cellular respiration happens in the mitochondria of eukaryotic cells and in the __ of prokaryotic cells.

Cytoplasm

Large ___ store lots of chemical energy. Energy is released when these bonds are broken during digestion.

Molecules

As your body digests proteins, they break down into amino acids. In the cell, free amino acids join together with the help of ___ to make cell proteins.

Ribosomes

Name three types of food that are proteins.

Eggs, fish, meat, nuts and legumes

Large molecules store lots of __. Energy is released when these bonds are broken during digestion. This process of breaking down food to produce energy rich ATP molecules is called cellular respiration. Cellular respiration happen in the mitochondria of eukaryotic cells and in the cytoplasm of prokaryotic cells.

ATP

A simple ___ such as the fruit sugar fructose, is made of only one type of sugar molecule.

Carbohydrates

Large molecules store lots of ATP. Energy is released when these bonds are broken during digestion. This process of breaking down food to produce energy rich ATP ___ is called cellular respiration. Cellular respiration happen in the mitochondria of eukaryotic cells and in the cytoplasm of prokaryotic cells.

Molecules

___ are needed in the body for growth, repair, transport and digestion. They are also an important part of the cell membrane.

Proteins

An ___ is a chemical compound that contains carbon atoms. All organic compounds must contain carbon atoms.

Organic compound

Complex carbohydrates, called starches, are found in fruits, vegetables, and whole grains. Starches are made up of many simple ___molecules linked together.

Sugar

Molecules including sugars, starches and fiber are ___.

Carbohydrates

Large molecules store lots of ___ energy. Energy is released when these bonds are broken during digestion.

Chemical

Proteins are needed in the body for ___, ___, transport and digestion. They are also an important part of the cell membrane.

Growth, repair

An organic compound is a __ compound that contains carbon atoms. All organic compounds must contain carbon atoms.

Chemical

___ is a carbon-containing compounds that are not considered organic.

Carbon monoxide

Large molecules store lots of __. Energy is released when these bonds are broken during digestion. This process of breaking down food to produce energy rich ATP molecules is called cellular respiration.

Chemical energy

All __ are composed of carbon, hydrogen, oxygen and nitrogen. ___ are large molecules made up of smaller molecules called amino acids.

Proteins

An organic compound is a chemical compound that contains ___ atoms. All organic compounds must contain ___ atoms.

Carbon

___, called starches, are found in fruits, vegetables, and whole grains. Starches are made up of many simple sugar molecules linked together.

Complex carbohydrates

Large molecules store lots of ATP. Energy is released when these bonds are broken during __. This process of breaking down food to produce energy rich ATP molecules is called cellular respiration. Cellular respiration happen in the mitochondria of eukaryotic cells and in the cytoplasm of prokaryotic cells.

Digestion

An organic compound is a chemical compound that contains ___ atoms. All organic compounds must contain ___ atoms.

Proteins, carbohydrates, and lipids

__ such as proteins, carbohydrates, and lipids are organic molecules.

Nutrients

All proteins are composed of carbon, __, __, and ___.

Hydrogen, oxygen and nitrogen

All proteins are composed of carbon, hydrogen, oxygen and nitrogen. Proteins are large molecules made up of smaller molecules called ___. As your body digests proteins, they break down into ___.

Amino acids

Large molecules store lots of ATP. Energy is released when these bonds are broken during digestion. This process of breaking down food to produce energy rich ATP molecules is called ___. ___ happen in the mitochondria of eukaryotic cells and in the cytoplasm of prokaryotic cells.

Cellular respiration

Nutrients such as proteins, carbohydrates, and lipids are __molecules.

Organic

Organic compounds usually contain other elements besides carbon. ___ is the most common element bonded to carbon in organic compounds.

Hydrogen

Complex carbohydrates, called ___, are found in fruits, vegetables, and whole grains. ___ are made up of many simple sugar molecules linked together.

Starches

___ release more energy than simple carbohydrates do when they get broken down in the body.

Complex carbohydrates

Fats are usually solid, and lipids are ___. Certain lipids act as signaling molecules inside cells. These lipids carry information between cells. They are also energy storage molecules in animal and plant cells.

Liquids

Glycogen, a type of complex carbohydrate, is an ___ molecule in certain body cells.

Energy storage

___, a type of complex carbohydrate, is an energy storage molecule in certain body cells.

Glycogen

Complex carbohydrates release more energy than___ do when they get broken down in the body.

Simple carbohydrates

Molecules including fats, oils, waxes and phospholipids are called ___. They contain carbon, hydrogen, and oxygen atoms arranged in branching chains.

Lipids

A special type of lipid, called a ___. Informs the cell membrane and the membrane of organelles. They have a tail region that repels water like other lipids, and a head region that contains phosphorus and is attracted to water.

Phospholipid

DNA and RNA are the two types of large molecules found in cells. __ are large organic molecules that determine the genetic traits of organisms.

Nucleic Acids

___ are the two types of large molecules found in cells. Nucleic acids are large organic molecules that determine the genetic traits of organisms.

DNA and RNA

Small units of nucleic acids are called ___. A strand of these bonded to a backbone of sugar and phosphate molecules forms a strand of DNA.

Nucleotide

RNA molecules are also composed of nucleotides, phosphates, and sugar. RNA strands are shorter than DNA strands. The series of nucleotides in DNA act as a code to build RNA. The series of nucleotides in RNA is the code needed for cells to make specific ___.

Proteins

Nucleic acids are large organic molecules that determine the ___traits of organisms.

genetic

A special type of lipid, called a phospholipid, forms the cell membrane and the membrane of organelles. They have a tail region that repels __ like other lipids, and a head region that contains phosphorus and is attracted to water.

Water

Cellular respiration happens in the __ of eukaryotic cells and in the cytoplasm of prokaryotic cells.